== sanity test 123i: Verify statahead work with the fname indexing pattern ========================================================== 23:38:31 (1786678711)
llite.lustre-ffff8e6173422800.statahead_max=1024
llite.lustre-ffff8e6173422800.statahead_batch_max=32
llite.lustre-ffff8e6173422800.statahead_min=64
llite.lustre-ffff8e6173422800.enable_statahead_fname=1
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity.%06d 1000
- ls /mnt/lustre/d123i.sanity/* > /dev/null
total: 1000 create in 6.78 seconds: 147.60 ops/second
llite.lustre-ffff8e6173422800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e6173422800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e6173422800.batch_stats=0
statahead_stats (Pre):
statahead total: 0
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 0
hit_total: 0
miss_total: 0
statahead_stats (Post):
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 0
miss_total: 0
snapshot_time:            1786678732.117366257 secs.nsecs
start_time:               1786678725.940220045 secs.nsecs
elapsed_time:             6.177146212 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         2   2   2
2:		         5   5   8
4:		        10  11  19
8:		         9  10  30
16:		         0   0  30
32:		        60  69 100
snapshot_time:            1786678732.117441457 secs.nsecs
start_time:               1786678725.944629900 secs.nsecs
elapsed_time:             6.172811557 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s for ''
Waiting 15s for ''
statahead total: 1
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786678762.977038911 secs.nsecs
start_time:               1786678725.940220045 secs.nsecs
elapsed_time:             37.036818866 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         3   3   3
2:		         5   5   9
4:		        10  11  20
8:		         9  10  31
16:		         0   0  31
32:		        60  68 100
snapshot_time:            1786678762.977117538 secs.nsecs
start_time:               1786678725.944629900 secs.nsecs
elapsed_time:             37.032487638 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Command:
- createmany -m /mnt/lustre/d123i.sanity/f123i.sanity 1000
- aheadmany -c stat -N -s 0 -e 1000 -b f123i.sanity -d /mnt/lustre/d123i.sanity
total: 1000 create in 8.33 seconds: 120.10 ops/second
llite.lustre-ffff8e6173422800.statahead_stats=clear
mdc.lustre-MDT0000-mdc-ffff8e6173422800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8e6173422800.batch_stats=0
statahead_stats (Pre):
statahead total: 0
statahead wrong: 0
agl total: 0
list_total: 0
fname_total: 0
hit_total: 0
miss_total: 0
statahead_stats (Post):
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 0
miss_total: 0
snapshot_time:            1786678781.890046800 secs.nsecs
start_time:               1786678778.053120377 secs.nsecs
elapsed_time:             3.836926423 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         5   5   5
2:		         4   4  10
4:		         5   5  16
8:		         8   9  26
16:		         1   1  27
32:		        61  72 100
snapshot_time:            1786678781.890094295 secs.nsecs
start_time:               1786678778.057197399 secs.nsecs
elapsed_time:             3.832896896 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
Wait the statahead thread (ll_sa_xxx) to exit ...
Waiting 35s for ''
Waiting 25s for ''
Waiting 15s for ''
Waiting 5s for ''
statahead total: 1
statahead wrong: 0
agl total: 1
list_total: 0
fname_total: 1
hit_total: 994
miss_total: 1
snapshot_time:            1786678812.342507608 secs.nsecs
start_time:               1786678778.053120377 secs.nsecs
elapsed_time:             34.289387231 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         6   7   7
2:		         4   4  11
4:		         5   5  17
8:		         8   9  27
16:		         1   1  28
32:		        61  71 100
snapshot_time:            1786678812.342581768 secs.nsecs
start_time:               1786678778.057197399 secs.nsecs
elapsed_time:             34.285384369 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		         0   0   0
 - unlinked 0 (time 1786678820 ; total 0 ; last 0)
total: 1000 unlinks in 5 seconds: 200.000000 unlinks/second
 - unlinked 0 (time 1786678829 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
llite.lustre-ffff8e6173422800.enable_statahead_fname=1
llite.lustre-ffff8e6173422800.statahead_min=8
llite.lustre-ffff8e6173422800.statahead_batch_max=64
llite.lustre-ffff8e6173422800.statahead_max=128